I will build a high performance web app using nextjs and golang


About this gig
Hello!
Are you facing bugs or errors in your ReactJS, NodeJS, Golang or MERN stack application?
No worries I am here to fix them quickly, professionally and with clean code.
I am an experienced MERN Stack Developer skilled in identifying, debugging and resolving both frontend and backend issues. I ensure your website or web application runs smoothly without errors.
I Can Fix:
- ReactJS bugs and UI issues
- MERN stack errors
- NodeJS backend problems
- API integration issues
- MongoDB database errors
- Login / Authentication issues (JWT, sessions, etc.)
- Console warnings & errors
- Deployment issues (Vercel, Netlify, Firebase, etc.)
- Website performance problems
⭐ Why Choose Me?
- Clean, optimized and professional code fix
- Fast communication and quick response
- Ontime delivery
- 100% client satisfaction focused
- Clear explanation of the issue and solution
If you are unsure which package fits your problem, feel free to message me.
I will guide you to the right option.
Lets fix your bug and make your project run perfectly!
Get to know Mehedi Hasan
React and MERN Bug Fix Specialist
- FromBangladesh
- Member sinceMar 2025
- Avg. response time1 hour
- Last delivery3 months
Languages
English, French, Dutch, Spanish
My Portfolio
Other Software Development Services I Offer
FAQ
What types of bugs can you fix?
I can fix React JS frontend bugs, Node JS backend issues, MERN stack errors, API problems, database connection issues, login/authentication errors, and website performance problems.
How fast can you deliver?
Delivery time depends on the package you choose. Basic package usually takes 2 days, Standard 2 days, and Premium 3 days. I also offer extra fast delivery for urgent bugs.
Can you work on an existing project?
Yes! I can work on your existing React or MERN project without breaking your current functionality.
: Do you provide support after fixing the bug?
Yes! I provide minor support and guidance after delivery to ensure everything is working perfectly.
Yes! I provide minor support and guidance after delivery to ensure everything is working perfectly.
I offer revisions according to the package you choose. I guarantee that I will work until the bug is fully resolved within the revision limit.

